Water
Maintain consistent water levels, ensuring the plant remains fully submerged. Water quality is important; avoid stagnant or polluted water.
Also known as Baby Pondweed · Lesser Pondweed · Slender Pondweed
Small Pondweed (Potamogeton pusillus) is a submerged aquatic plant with slender stems and narrow leaves, found in freshwater habitats worldwide.
At-a-glance light, water, soil, and growing conditions from plant data
Prefers full sun to partial shade.
80% intensity
Adequate light is crucial for photosynthesis.
Requires constant submersion in freshwater.
100% intensity
Maintain water quality and depth.
Grows rooted in mud or sand at the bottom of water bodies.
50% intensity
Thrives in moderate water temperatures.
70% intensity
Ideal range is 15-25 °C.
Aquatic
50% intensity
Generally not needed; absorbs nutrients from water.
10% intensity
Avoid over-fertilization to prevent algae.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | No 0/5 intensity |
| Toxic for pets | No 0/5 intensity |
| Edible | No |
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Maintain consistent water levels, ensuring the plant remains fully submerged. Water quality is important; avoid stagnant or polluted water.
Pruning is typically not necessary. Remove any dead or decaying foliage to maintain water quality and plant health. Avoid over-trimming which can stress the plant.
Propagated by division of rhizomes or by seeds. Fragments of stems with roots can also be planted directly into suitable substrates in aquatic environments.
Repotting is not applicable as this is a naturally occurring aquatic plant. If grown in a container, ensure the container is large enough and the substrate is appropriate for aquatic life.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Small Pondweed (Potamogeton pusillus)
Where Small Pondweed (Potamogeton pusillus) is found

Density
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Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Liliopsida |
| Order | Alismatales |
| Family | Potamogetonaceae |
| Genus | Potamogeton |
| Species | Potamogeton pusillus |
Similar in genus Potamogeton
Answers based on plant encyclopedia data